Home / 4,049.34-5,585.67-2,986.76

Finding the Fourth Proportional to 4,049.34, 5,585.67 and 2,986.76

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Solution

The fourth proportional to 4,049.34, 5,585.67 and 2,986.76 is: 4,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.34 : 5,585.67 = 2,986.76 : x
  2. Step 2: Convert to fraction form
    4,049.34/5,585.67 = 2,986.76/x
  3. Step 3: Cross multiply
    4,049.34x = 5,585.67 × 2,986.76
  4. Step 4: Simplify right side
    4,049.34x = 16,683,058.49
  5. Step 5: Solve for x
    x = 16,683,058.49/4,049.34
  6. Step 6: Final answer
    x = 4,119.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.